MESON Chess Problem Database

Problem Display
PID: 274546 (8/2K1p3/p4p1r/P3k1p1/R2NpN2/7P/1Q6/1B4Bb w - - 0 1)

Palatz, Franz Ferdinand Ludwig

The Problemist, 1933

8/2K1p3/p4p1r/P3k1p1/R2NpN2/7P/1Q6/1B4Bb

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf4
      • 2.Qh2#
    • 1...e3
      • 2.Sde2#
      • 2.Sb3#
      • 2.Sf3#
      • 2.Sb5#
      • 2.Sf5#
      • 2.Sc6#
      • 2.Sde6#
    • 1...f5
      • 2.Sde2#
      • 2.Sde6#
  • Tries
    • 1.Sd3+?
      • 1...Kd5
        • 2.Ba2#
        • 2.Qa2#
        • 2.Qb3#
        • 2.Qb7#
      • 1...exd3!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Qb8#
      • 1...e3+
        • 2.Sf3#
      • 1...f5+
        • 2.Sde6#
      • 1...Kxf4
        • 2.Qh2#
      • 1...Rh8
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,S_FLIGHT,XS(G)::QAB(C)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • P(b);XS(G)
  • Actual
    • K(I);P-FLIGHT
    • Threat
      • QAB(C)
    • Vars
      • P(b);CHECK::QAB(C)+S(F),DCHECK
      • P(f);CHECK,SBLOCK::QAB(C)+S(F)
      • K(c);OGATEB,S_FLIGHT,XS(G)::QAB(C)
      • R(g);N_GUARD::S(G)
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